EP0114265A2 - Marche escamotable pour véhicules ferroviaires - Google Patents

Marche escamotable pour véhicules ferroviaires Download PDF

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Publication number
EP0114265A2
EP0114265A2 EP83112126A EP83112126A EP0114265A2 EP 0114265 A2 EP0114265 A2 EP 0114265A2 EP 83112126 A EP83112126 A EP 83112126A EP 83112126 A EP83112126 A EP 83112126A EP 0114265 A2 EP0114265 A2 EP 0114265A2
Authority
EP
European Patent Office
Prior art keywords
vehicle
box
tread
folding
folding step
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83112126A
Other languages
German (de)
English (en)
Other versions
EP0114265B1 (fr
EP0114265A3 (en
Inventor
Bayram Karamanlar
Helmut Klapper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Priority to AT83112126T priority Critical patent/ATE23302T1/de
Publication of EP0114265A2 publication Critical patent/EP0114265A2/fr
Publication of EP0114265A3 publication Critical patent/EP0114265A3/de
Application granted granted Critical
Publication of EP0114265B1 publication Critical patent/EP0114265B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated

Definitions

  • the invention relates to a folding step for rail vehicles according to the preamble of claim 1.
  • the movable step In the case of rail vehicles, especially those with a low vehicle floor and a heavily retracted apron, there is only a very limited installation height and depth available for the folding step. Nevertheless, the movable step must be extended with a large part of its tread length over the vehicle outer profile, so that in the entry position it extends from the step recess by bridging the relatively large distance between the vehicle wall and the platform over the front edge of the platform and ensures a comfortable and safe entry.
  • the invention has for its object to design the folding step according to the preamble of claim 1 so that it requires a significantly reduced installation volume and must be accommodated including its movable step in a protected position within a confined step box.
  • the folding step characterized in claim 1 in which the step movable over the vehicle outer profile is designed as a two-part, retracted L-shaped folding step in the driving position, which is completely protected in the driving position within a step box with a - compared to that relatively large tread length of the step-small installation height and depth is arranged, with the special feature that the movable step sections only the lower and the vehicle exterior or. Occupy the edge-side zone of the step box on the door side, while the remaining larger step box volume is used as installation space for the drive mechanism of the folding step.
  • the folding step according to the invention has an extremely compact, simple construction and is excellently suitable for modern transport vehicles, in particular high-speed passenger coaches, which, because of the low floor level and the heavily retracted apron, allow only very small kick box dimensions and generally a wide one need extendable via the vague profile, single-stage folding step, with the additional advantage that the folding step forms together with the kick box a quickly and easily replaceable unit.
  • the outer step section is preferably arranged in the driving position essentially parallel to the adjacent vehicle profile, that is to say to the adjacent wall section of the vehicle door.
  • a particularly favorable, in the entry position trip-free connection of the two tread sections is advantageously achieved according to claim 3 in that the tread sections engage in a form-fitting manner via finger-like teeth.
  • the stop plate characterized in claim 4 is preferably provided.
  • the gap between the floor tread edge and the vehicle door in the driving position is covered by the end face of the - then tilted up - outer step section, so that the customary, separate, structurally and in terms of control complex step trough cover is dispensed with and another noticeable space saving and structural simplification is achieved.
  • a piston-cylinder unit according to claim 6 is also completely included in the step box according to the invention in that it with its The longitudinal axis in the longitudinal direction of the vehicle is arranged within the step box installation space which is unoccupied by the step, the lifting movement of the piston rod advantageously being converted into a rotary movement of the drive linkage by a rack-and-pinion bevel gear around a rotation axis which is parallel to the cylinder axis and is fixed to the step box.
  • a kinematically particularly preferred embodiment of the drive mechanism according to which a forced synchronous control of the linear movement of the inner step section on the one hand and a combined rotary and sliding movement of the outer step section on the other hand with a few linkage parts is guaranteed, according to claim 8, that the drive linkage on both sides of the kick box contains a drive lever adjusted by the drive motor of the folding step over a rotation range of less than 180 ° and two control arms of different lengths articulatingly connecting them to one of the step sections , the shorter of which is effective between a pivot point of the drive lever closer to the axis and the inner step section and controls its linear displacement, while the longer one is arranged between the outer end of the drive lever and the outer step section and whose forcibly synchronous rotary / sliding movement brings about.
  • step box In order to impair as little as possible the installation space of the step box that is not occupied by the step sections by arranging a step end plate, it is expediently rotatably mounted below the floor tread edge according to claim 9 and is pressed resiliently into a vertical position in the entry position from which it passes the outer step section retracting into the travel position is tilted into an essentially parallel inclined position against the spring force.
  • the single-stage folding step 2 contains a step box 14 consisting of a rear wall 4, a base plate 6, side walls 8 and a cover plate 12 fastened to the underside of the vehicle floor 10, in its lower and its outer side of the vehicle, i.e. adjacent to the vehicle door 16, the movable zone Step 18 is arranged in the driving position.
  • This is a two-part folding step with a step section 20 inside the vehicle, which is connected via a roller carriage 22 in U-rails 24 fastened to the side walls 8 of the step box 14 between a driving position adjacent to the inside of the closed vehicle door 16 (FIG.
  • tread sections 20, 26 are provided with finger-like interlocking toothings 30, 32 (FIG. 3) which overlap smoothly in the horizontal entry position of the two tread sections 20, 26, so that that on the top of the tread sections 20, 26 Arranged, tread-resistant covering 34 in this position forms a continuous, trip-free step surface which extends from the entry trough over the relatively large gap due to the heavily retracted car apron 36 to the front edge A of the platform shown only in dash-dotted lines in a vertical extension.
  • a stop plate 38 fastened on the underside in the area of the connecting point 28 secures the outer one Step section 26 in the entry position against tipping over under load.
  • the end face 40 of the outer step section 26 is arranged flush with the top edge of the floor, around the gap between the floor leading edge 42 and the closed vehicle door 16, the width of which essentially corresponds to the step. Thickness corresponds to close, so it serves as a tread cover and is coated with the floor covering 44 for this purpose.
  • a tread end plate 48 which is pressed by a rubber spring 50 into an aligned with the floor leading edge 42, vertical stop position (Fig. 2), in which it is in the extended state the tread 18 is a tread boundary between the rear end of the inner Tritttrenabschni-cts 20 and the soccer fan - is oden-Avemtrittskante42.
  • Fig. 2 vertical stop position
  • the end plate 48 is brought against the spring force by the outer step section 26 retracting in the form of a pivoting sliding movement and brought into the inclined position lying essentially parallel to the step section 26 in FIG.
  • the drive mechanism of the folding step 2 is accommodated inside the step box 14 in the main installation space of the step box 14 which is unoccupied by the step sections 20, 26 in their L-shaped driving position and contains a longitudinal axis fastened to the step box 14 in the vehicle longitudinal direction, for example pneumatic piston-cylinder unit 54 with a downstream Rack-and-angle drive 56, which consists of a about a transverse axis rotatably mounted on the passage block 14, meshing with the designed as' rack piston rod 58 of the piston-cylinder unit 54 drive pinion 60, a rotationally fixed connected thereto bevel gear 62 and a generator driven by this, another bevel gear 64 is that about an axis extending in the vehicle longitudinal direction, rotatably mounted on the passage box 14 drive shaft 66 the drive lever 68 of the on each side of the passage box treads drive rod 70 through a pivotal range of slightly more than 90 0 between its in FIG.
  • FIG. 1 and FIG. 2 shown end positions rotated.
  • the synchronous positive control of the linear displacement of the inner step section 20, on the one hand, and at the same time the combined pivoting-sliding movement of the outer step section 26, on the other hand, between its travel and entry position is achieved by two simple control links 72, 74 of different lengths, which intersect with the drive lever 68 and the Step sections 20, 26 are connected, the shorter control arm 72 being arranged between a pivot point 76 of the drive lever 68 near the axis and the pivot pin 28 and taking over the longitudinal displacement, while the longer control arm 74 on the one hand with the outer end of the drive lever 68 and on the other hand with one is pivotally connected in the vicinity of the pivot pins 28 on the outer tread section 26 and controls the pivotal movement of this tread section 26 superimposed on the longitudinal displacement.
  • tread sections 20, 26 can be biased into the travel position by springs, not shown, in order to be annoying due to a joint play To prevent vibration and noise phenomena while driving, and are limited in their end positions by elastomer stops, also not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Air Bags (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP83112126A 1983-01-20 1983-12-02 Marche escamotable pour véhicules ferroviaires Expired EP0114265B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83112126T ATE23302T1 (de) 1983-01-20 1983-12-02 Klapptritt fuer schienenfahrzeuge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3301751 1983-01-20
DE19833301751 DE3301751A1 (de) 1983-01-20 1983-01-20 Klapptritt fuer schienenfahrzeuge

Publications (3)

Publication Number Publication Date
EP0114265A2 true EP0114265A2 (fr) 1984-08-01
EP0114265A3 EP0114265A3 (en) 1985-04-03
EP0114265B1 EP0114265B1 (fr) 1986-11-05

Family

ID=6188721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83112126A Expired EP0114265B1 (fr) 1983-01-20 1983-12-02 Marche escamotable pour véhicules ferroviaires

Country Status (3)

Country Link
EP (1) EP0114265B1 (fr)
AT (1) ATE23302T1 (fr)
DE (2) DE3301751A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2365920B1 (fr) 2008-12-12 2015-07-29 Faiveley Transport Dispositif deployable pour l'acces a un vehicule

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651767A (en) * 1968-10-23 1972-03-28 Linke Hofmann Busch Multistep entry particularly for vehicles
US3672311A (en) * 1968-10-23 1972-06-27 Linke Hofmann Busch Movable stair mounting arrangement for vehicles
FR2165030A5 (fr) * 1971-12-15 1973-08-03 Sncf
FR2314084A1 (fr) * 1975-06-11 1977-01-07 Faiveley Sa Marchepied escamotable, notamment pour voitures de chemin de fer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651767A (en) * 1968-10-23 1972-03-28 Linke Hofmann Busch Multistep entry particularly for vehicles
US3672311A (en) * 1968-10-23 1972-06-27 Linke Hofmann Busch Movable stair mounting arrangement for vehicles
FR2165030A5 (fr) * 1971-12-15 1973-08-03 Sncf
FR2314084A1 (fr) * 1975-06-11 1977-01-07 Faiveley Sa Marchepied escamotable, notamment pour voitures de chemin de fer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2365920B1 (fr) 2008-12-12 2015-07-29 Faiveley Transport Dispositif deployable pour l'acces a un vehicule

Also Published As

Publication number Publication date
ATE23302T1 (de) 1986-11-15
EP0114265B1 (fr) 1986-11-05
DE3367363D1 (en) 1986-12-11
DE3301751A1 (de) 1984-07-26
EP0114265A3 (en) 1985-04-03

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